package com.kdtech.analyse.video;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;

import com.kdtech.crawler.CrawlHTML;
import com.kdtech.entity.crawler.UrlMeta;
import com.kdtech.entity.data.NewsMeta;
import com.kdtech.utils.DateUtils;
import com.kdtech.utils.HtmlCleaner;
import com.kdtech.utils.NumberUtils;
import com.kdtech.utils.StringUtils;
import com.kdtech.analyse.AnalyseNews;

/**
 * 台海网络电视台 解析类
 * 
 * @author Chase
 * 
 */
public class XmtvVideoAnalyse implements AnalyseNews {

	

	
	public boolean isDetailPage(String url) {
		boolean bRet = false;
		String[] regex = {
				"http://.*.xmtv.cn/[0-9]{4}/[0-9]{1,2}/[0-9]{1,2}/VIDE[0-9]*.shtml"
				};
		for (int i = 0; i < regex.length; i++) {
			if (url.matches(regex[i])) {
				return true;
			}
		}
		return bRet;
	}	

	
	public NewsMeta parserHtml(UrlMeta urlMeta) {

		String url = urlMeta.getUrl(); 
		/**
		 * 判断是否为详细页，不是详细页面直接返回空
		 */
		if (!isDetailPage(url)) {
			System.err.println("不符合规则");
		}

		String html = urlMeta.getHtml();

		/*
		 * 定义新闻实体需要的字段
		 */
		String title = null;
		String dateStr = null;
		String desc = null;
		Long dateLong = null;
		String commentNum = null;
		String clickNum = null;

		Document doc = Jsoup.parse(html);
		
		dateStr = doc.select("div.head_fine>div.left>h3").text();
		if (StringUtils.isNullOrEmpty(dateStr)) {
			dateStr = doc.select("table").text();
		}
		dateLong = DateUtils.matchDate(dateStr);// 时间
		
		Elements titleElements = doc.select("div.head_fine>div.left>h3");
		titleElements.select("span").remove();
		title = titleElements.text();// 标题
		
		
		desc = HtmlCleaner.getContentHtml(url, doc.select("div.md>div.md_bd>div.text_box")); //描述
		
		if(!StringUtils.isNullOrEmpty(desc)) {
			desc = desc.length()>1000?desc.substring(0, 1000):desc;//小于1000字符的描述
		}
		
		NewsMeta meta = new NewsMeta();
		meta.setTitle(title);
		meta.setContent(desc);
		meta.setUrl(url);
		meta.setType(2);
		meta.setClickNum(NumberUtils.parseInt(clickNum));
		meta.setCommentNum(NumberUtils.parseInt(commentNum));
		meta.setDate(dateLong);

		/**
		 * 解析用于更新的地址
		 */
		String updateUrl= null;
		meta.setUpdateUrl(updateUrl);
		
		return meta;
	}

	
	public NewsMeta Update(NewsMeta meta) {
		return null;
	}


	
}
